1252799 has 2 divisors, whose sum is σ = 1252800. Its totient is φ = 1252798.

The previous prime is 1252777. The next prime is 1252817. The reversal of 1252799 is 9972521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252799 - 2¹² = 1248703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626399 + 626400.

It is an arithmetic number, because the mean of its divisors is an integer number (626400).

2^1252799 is an apocalyptic number.

1252799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252799 is an equidigital number, since it uses as much as digits as its factorization.

1252799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 1252799 is about 1119.2850396570. The cubic root of 1252799 is about 107.8020780656.

The spelling of 1252799 in words is "one million, two hundred fifty-two thousand, seven hundred ninety-nine".